register helper

The helper itCrossAppRoutingHelper can also be globally enabeld.
This will be done by defining it as standard_helper in settings.yml @see http://www.symfony-project.org/reference/1_4/en/04-Settings#chapter_04_sub_standard_helpers

set app_routing.yml

The Plugin entroduces a new configurationfile 'app_routing.yml'.
This is an Environment specific yml Config like the most symfony config files.

The following settings are supported
Example:

../config/app_routing.yml
all:
# key is the application name
# optionally you can use the :sf_culture placeholder to inject the cluture in path prefix
online_guard:
domain: http://some.website.de
route_prefix: :domain/:sf_culture/path/to/online_guard
online_boa:
domain: http://some.website.de
route_prefix: :domain/:sf_culture/path/to/online_boa